diff --git a/Source/NSThread.m b/Source/NSThread.m
index abbffd530..b6e028873 100644
--- a/Source/NSThread.m
+++ b/Source/NSThread.m
@@ -1391,6 +1391,7 @@ unregisterActiveThread(NSThread *thread)
               */
               if (i > 15)
                 {
+                  NSWarnLog(@"Truncating thread name '%s' to 15 characters due to platform limitations", buf);
                   i = 15;
                 }
               else